edd537ca2f
PR-URL: https://github.com/nodejs/node/pull/45230 Reviewed-By: Jiawen Geng <technicalcute@gmail.com> Reviewed-By: Yagiz Nizipli <yagiz@nizipli.com>
23 lines
603 B
JavaScript
23 lines
603 B
JavaScript
// Copyright 2022 the V8 project authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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//
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// Flags: --allow-natives-syntax
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class C extends (class {}) {
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constructor() {
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var f = () => {
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try { C.__proto__ = null; } catch {}
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try { super(); } catch {}
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};
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%PrepareFunctionForOptimization(f);
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f();
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%OptimizeMaglevOnNextCall(f);
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}
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}
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try { new C(); } catch {}
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// The next 2 calls deopt before reaching relevant bits.
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try { new C(); } catch {}
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try { new C(); } catch {}
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try { new C(); } catch {}
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